autoload.php

<?php
/**
 * © Copyright 2013-present Adobe. All rights reserved.
 *
 * This file is licensed under OSL 3.0 or your existing commercial license or subscription
 * agreement with Magento or its Affiliates (the "Agreement).
 *
 * You may obtain a copy of the OSL 3.0 license at http://opensource.org/licenses/osl-3.0.php Open
 * Software License (OSL 3.0) or by contacting engcom@adobe.com for a copy.
 *
 * Subject to your payment of fees and compliance with the terms and conditions of the Agreement,
 * the Agreement supersedes the OSL 3.0 license with respect to this file.
 */
error_reporting(E_ALL);
date_default_timezone_set('UTC');

foreach ([__DIR__ . '/../../autoload.php', __DIR__ . '/vendor/autoload.php'] as $file) {
    if (file_exists($file)) {
        return require $file;
    }
}

throw new RuntimeException('Required file \'autoload.php\' was not found.');